Given:

He does mistake in the order of giving preference.
We should give preference in the order, division, multiplication, addition, subtraction.
But, he gave the first preferrence to the subtraction.
72-8=64
Next, he used division
64/2=32
Next he adds 32 with 8.
So, he gets 50.
But the actual simplification is,
Simplifying we get,

Hence, the correct value of the expression is 86.
I believe the answer is B, Oval.
Answer:
x = 5
, −
4
Step-by-step explanation:
Solve the rational equation by combining expressions and isolating the variable x
.
Answer:
-24 = -0.6k
k=-24/-0.6
k=40
Let me know if this helps!